CC Animations: Establish AnimationHost, AnimationTimeline and AnimationPlayer

cc/blink/web_compositor_animation_player_impl.cc

+// Copyright 2015 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#include "cc/blink/web_compositor_animation_player_impl.h"
+
+#include "cc/animation/animation_id_provider.h"
+#include "cc/animation/animation_player.h"
+#include "cc/blink/web_animation_impl.h"
+#include "cc/blink/web_to_cc_animation_delegate_adapter.h"
+#include "third_party/WebKit/public/platform/WebLayer.h"
+
+using cc::AnimationPlayer;
+
+namespace cc_blink {
+
+WebCompositorAnimationPlayerImpl::WebCompositorAnimationPlayerImpl()
+    : animation_player_(
+          AnimationPlayer::Create(cc::AnimationIdProvider::NextPlayerId())) {
+}
+
+WebCompositorAnimationPlayerImpl::~WebCompositorAnimationPlayerImpl() {
+}
+
+CC_BLINK_EXPORT cc::AnimationPlayer*
+WebCompositorAnimationPlayerImpl::animation_player() const {
+  return animation_player_.get();
+}
+
+void WebCompositorAnimationPlayerImpl::setAnimationDelegate(
+    blink::WebCompositorAnimationDelegate* delegate) {
+  animation_delegate_adapter_.reset(
+      new WebToCCAnimationDelegateAdapter(delegate));
+  animation_player_->set_layer_animation_delegate(
+      animation_delegate_adapter_.get());
+}
+
+void WebCompositorAnimationPlayerImpl::attachLayer(blink::WebLayer* web_layer) {
+  animation_player_->AttachLayer(web_layer->id());
+}
+
+void WebCompositorAnimationPlayerImpl::detachLayer() {
+  animation_player_->DetachLayer();
+}
+
+bool WebCompositorAnimationPlayerImpl::isLayerAttached() const {
+  return animation_player_->layer_id() != 0;
+}
+
+void WebCompositorAnimationPlayerImpl::addAnimation(
+    blink::WebCompositorAnimation* animation) {
+  animation_player_->AddAnimation(
+      static_cast<WebCompositorAnimationImpl*>(animation)->PassAnimation());
+  delete animation;
+}
+
+void WebCompositorAnimationPlayerImpl::removeAnimation(int animation_id) {
+  animation_player_->RemoveAnimation(animation_id);
+}
+
+void WebCompositorAnimationPlayerImpl::pauseAnimation(int animation_id,
+                                                      double time_offset) {
+  animation_player_->PauseAnimation(animation_id, time_offset);
+}
+
+}  // namespace cc_blink